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Weather & Climate in Sil-li, North Korea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sil-li experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 19°F in January while summers reach 75°F in July. The area gets 264 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 39.4 inches. The area receives 2.0 inches of snow annually. The city sits at an elevation of 30 feet.
Temperature
19°F Jan (-7°C)
75°F Jul (24°C)
| Annual Average | 49.2°F |
| 9% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 264 days/yr |
Geography
| Elevation | 30 ft (9 m) |
| Area | 8.1 sq mi (20.9 km²) |
| Population Density | 2,409/sq mi |
| Coordinates | 39.4947°N, 125.4736°W |
| Timezone | Asia/Pyongyang |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.
| Nov 11, 1992 | 8 km NW of Chunghwa, North Korea | M4.3 | 68 km | 10 km |
| Jun 27, 2019 | 10 km W of Chunghwa, North Korea | M3.6 | 73 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
4 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2020 | Bavi | Category 1 | 81 mph | 67 km |
| 2019 | Lingling | Category 1 | 69 mph | 179 km |
| 2010 | Kompasu | Category 1 | 58 mph | 216 km |
| 2000 | Prapiroon | Category 1 | 69 mph | 246 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1921 | XIAOSI, DANDONG, LIAONING | Earthquake | - | - | 117 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 0.7 in | Coldest, Driest |
| February | 25°F (-4°C) | 0.7 in | |
| March | 36°F (2°C) | 0.9 in | |
| April | 50°F (10°C) | 2.1 in | |
| May | 60°F (16°C) | 2.8 in | |
| June | 69°F (21°C) | 4.3 in | |
| July | 75°F (24°C) | 10.5 in | Wettest |
| August | 75°F (24°C) | 8.9 in | Warmest |
| September | 65°F (18°C) | 4.7 in | |
| October | 53°F (12°C) | 1.9 in | |
| November | 38°F (3°C) | 1.4 in | |
| December | 25°F (-4°C) | 0.7 in |
Sil-li has a seasonal temperature swing of 56°F / from 19°F in January to 75°F in August. Total annual precipitation is 39.4 inches, with July being the wettest month (10.5") and January the driest (0.7").